Define Organic Chemistry.

the study of most carbon-containing compounds.

Which is an example of a chemical change?

Reaction of oxygen in air to cause a rotten fruit.

Which of these are Physical properties?

Color, temperature, volume, density, and composition

study of the chemical substances & processes occur in living

What are two properties of all matter?

All matter has mass and takes up space.

Define Physical Chemistry

study of compounds, the way they react with other matter

Which describes extensive property?

A physical property that depends on volume and mass

What are the 6 branches of chemistry?

organic, physical, theoretical, analytical, bio, inorganic

Chemistry is the study of

composition & properties of matter.

What is a physical change?

A change that doesn't change chemical composition.

A pure substance made of only one kind of atom

pure substance of 2+ diff. elements that are chem. combined

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Chapter 1

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Questions 36

Answers

1
Chemical change can be reversed.
False
True
2
Define Organic Chemistry.
the study of most carbon-containing compounds.
any substance that has a definite composion.
the use of math to observe principles.
flowers growing on your house.
3
Intensive or Extensive Property?
Intensive
Extensive
4
what element is H
He HEium
helium
hydrogen
holmium
5
Which is an example of a chemical change?
Reaction of oxygen in air to cause a rotten fruit.
Sugar dissolves in tea
Sand created into glass when lightning strikes
Water freezing into the form of ice
6
Which of these are Physical properties?
volume, movement
Color, temperature, volume, density, and composition
Color, atomic changes
Movement, ability
7
Define Biochemistry
study looking at animals to study their habitat.
study of the chemical substances & processes occur in living
study of finding where all reserach lives
study of jewels in a cave.
8
What are two properties of all matter?
All matter can be seen and felt.
All matter is solid and takes up space.
All matter has mass and takes up space.
All matter has no shape or mass.
9
Which element symbols represent silver and gold?
Fe and Ag
Fe and S
S and Au
Ag and Au
10
What is a property of a chemical change?
change in color
changes in taste
dissolves
change in shape
11
What is applied research?
solving problems
creating theories
performing a procedure
12
Define Physical Chemistry
study of compounds, the way they react with other matter
study of the relation of energy
13
Two properties of matter are volume and...
heat
mass
matter
weight
14
Applied research is also known as Need-based research.
True
False
15
Which describes extensive property?
A chemical property that depends on color and weight
A chemical property that depends on mass and volume.
A physical property that depends on density and heat
A physical property that depends on volume and mass
16
What are the 6 branches of chemistry?
organic, physical, theoretical, analytical, bio, inorganic
inoragnc, physical, analytical, bio, anti, theoretical
tech, bio, analytical, organic, theoretical, physical
oragnic, physical, chemcial, proton, ion, biochemistry
17
Intensive or Extensive Property?
Extensive
Intensive
18
compound
substance
mixture
19
Which is NOT a physical property of matter?
state (liquid, solid, gas)
hardness
color
all are physical properties
20
Chemistry is the study of
living things.
composition & properties of matter.
the universe beyond Earth.
the origin & history of the Earth.
21
Physical or chemical? iron rusting
Physical
chemical
22
The goal of basic research is to
produce new chemicals.
find a solution to a particular problem
increase knowledge.
discover new technologies.
23
A Physical Scientist might study_________.
Crops
Stars
A Chemical Reaction
The planets
24
What is a physical change?
A change that occurs over time.
A change that occurs with temperature.
A change that changes chemical composition.
A change that doesn't change chemical composition.
25
An example of applied research is:
testing a cell
giving an injection
investigating a treatment
26
Rust is a chemical change
True
False
27
Is carbon a nonmetallic?
True
False
28
Periods Go?
Across
Diagonal
Up and Down
29
What is an element?
A pure substance made of only one kind of atom
The most basic unit of matter
A compound made of one or more atoms
A special material found in the atmosphere
30
Intensive or Extensive Property?
Intensive
Extensive
31
An example of a chemical change is
burning fuel
melting butter
chocolate syrup mixed in milk
breaking glass
32
Which is a chemical change?
Salt is dissolved in water
An orange is cut
alcohol evaporates
Milk sours
33
What element is W
WWW.
Wattium
Tungsten
Willium
34
what is compound?
pure substance of 4+ diff. elements that are chem. combined
pure substance of 5+ diff. elements that are chem. combined
pure substance of 3+ diff. elements that are chem. combined
pure substance of 2+ diff. elements that are chem. combined
35
Chemistry is an example of
Physical science
pure science
Chemical science
36
How does applied research start?
Researching the problem
Identifying the problem
Solving the problem

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